Samsung AM20, AM14, AM14A1E2-XEH Block Diagram

7. Block Diagrams

7-1 Micro Computer Block Diagram

HEAT EXCHANGER SENSOR

ROOM TEMPERATURE SENSOR

INFRARED SIGNAL

REMOTE CONTROLLER

POWER ON/OFF

MODE
(AUTO, COOL, DRY,
FAN

TURBO

INDOOR CONTROL PANEL

RESET
CIRCUIT

OSCILLATION
CIRCUIT

MODE SELECT
SWITCH

COMPRESSOR CONTROL

•
SIGNAL

•

STEPPING MOTOR
CONTROL SIGNAL

•

BUZZER CONTROL
SIGNAL

•BLADE-H CONTROL

•INDOOR FAN MOTOR
CONTROL

•COMPRESSOR
CONTROL

•TEMPERATURE
CONTROL

•TIMER

•BUZZER CONTROL

TRIGER
SIGNAL

SSR

INDOOR FAN MOTOR
SPEED DETECT

ZERO CROSSING

*

INDICATOR PANNEL
OPERATION LED

TIMER LED
FAN ONLY LED

INDOOR FAN MOTOR

FAN SPEED SELECT

BLADE-H
MOVING SELECT

ON, OFF TIMER SELECT

TEMPERATURE SELECT

SLEEP SELECT

TIME SETTING

AC INPUT

•

•

•

POWER TRANSFORMER

COMPRESSOR DRIVE
STEPPING MOTOR

DRIVE
BUZZER DRIVE

DC 5V DC 12V

VOLTAGE REGULATOR

COMPRESSOR

STEPPING MOTOR

BUZZER

Samsung Electronics

7-1

Block Diagrams

7-2 Outdoor Unit Control Diagram (IC-TYPE)

AC240V

50Hz

Room “C”

Input

Room “B”

Input

Power input

Load control

(SV-BY, SV-B, SV-C,

compressor)

Indoor unit

Room B, and

room C sensor

250V 3.15A

Power trans and

rectification

circuit

Indoor unit

room 1 and

room 2 motor

sensor

SV-BY

Delay circuit

Simultaneous

controller.

SV-B, SV-C

Compressor

delay

circuit

DC power

circuit

SV-BY

driver

Compressor

motor

7-2

SV-C

sensor

SV-B

Sensor

SV-C

driver

SV-B

driver

Samsung Electronics